battery done...
... and what it looks like in the cockpit, only left to add the + & - red and black leads and then its done. I built this up entirely from bits in from the spares box and just added a couple of steel rod ends for connectors. The cockpit is starting to look busy now as it should, it will be a shame to attach the smaller passenger seat which will hide most of this detail.
now for that window, hmmm...